How do you beat level 3 on causality 2

(See related link)
Click on BOTH bumper cars.
Then, click on the little crack on the Candies sign.
Then, click on the guy on the right, to go to the Candies stand.
Then, click on the bolt at the far left on the roller coaster.
Click on the lever to the Ferris wheel.
When the coaster crashes, click on the guy dangling from the Ferris wheel when he is over the sign.
Step 1: Click on the first bolt in the roller coaster
Step 2: Click on the silver bumper car
Step 3: Click on the blue bumper car (they should stick together now. if they dont try clicking on the silver bumper car again.(
Step 4: Click on the crack in the sign
Step 5: Click on the person standing at the bottom of the ferris wheel.
Step 6: Click on the lever at the bottom of the ferris wheel.
Step 7: When the person falls off the roller coaster they will grab onto the ferris wheel. It will go around. When the person holding on is above the sign and the one in the cart is above the lever, click on the one holding on until they fall off. They will all die.